watchOS 3.2.3 (build 14V5751a) is an official Apple over-the-air update for the Apple Watch Series 1 (38mm), released on 2017-06-26T17:14:31Z. The update package is 277.93 MB. This is a delta (partial) update that requires 3.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: fbde11e8f6d93b90e1465f6505ea3eec6bd3587d.zip.